THIS IS SIMPLE multipurpose low-cost Profile Proto Speed model easy construct offers plenty fun kids adults Profile Proto excellent entry level event anyone interested Control Line Speed flying Its exciting pastime thats bound get adrenaline flowing Little Tiger has good record AMA Nationals placing first Junior 1995 second 1996 Open class placed third 1995-6-7 first 1998 slight modifications model has served couple different purposes began trainer stepson Jeff Macapinlac early 1995 Since has primarily contest model CONSTRUCTION very important make Proto Speed models light possible good acceleration takeoff model weighs approximately seven ounces Empennage Cut stabilizer portion tail surfaces firm /8 balsa sheet Sand symmetrical airfoil rounded leading edges sharp trailing edges Connect elevator stabilizer Perfect brand cloth hinges cyanoacrylate CyA glue applied nonmoving part hinges rudder wingtip control line guide can cut A2 birch plywood Fuselage Use hardest piece x 2 x 12 balsa can find nose section beam-mount fuselage should have x /16 maple engine mounts sandwiched between two 1/8 birch plywood doublers bonded epoxy canopy carved shaped sheet Plexiglas landing gear formed A6 steel wire securely attached fuselage safety wire epoxy One-inch diameter streamline wheels K&B Glenn Lee held place landing gear small washers soldered place Wing wing made stiff firm medium-hard piece x 16 balsa carved sanded 54 Model Aviation etrical airfoil NACA 63-009 slot cut center wing re spruce spar four inches long used belicrank anchor bellcranks can obtained Ned Morris Kustom Kraftsmanship pushrod made 035 music wire made control horn elevator 015 tin Engine airplane fitted Cox Black Widow 049 engine its training flights Cox Tee Dee used first Proto Speed flights got Nationals CS 049 engine installed used winning Proto flights fuselage plan shows mounting holes CS other engines may use adapter plates mounting plates secured fuselage 3-48 screws blind nuts using CS holes Tee Dee Black Widow engines lighter CS must mounted farther forward proper center gravity placement within 1/ inch wingtip leading edge CS engine basically stock couple modifications exhaust port raised open timing 1570 stock timing 1420 easiest way to simply shim up cylinder liner 025 inch gasket under top flange cylinder liner seats crankcase other modification engine install hemi head made Jerry Rocha accepts Nelson glow plugs head similar design ones made Doug Galbreath Walt Gifford specified November/December 1996 issue Speed Times publication North American Speed Society experience stock CS head works well needs set up higher hemi may have play cylinder head gaskets raise lower head depending weather conditions order get optimum performance use crankcase pressure fuel system 010 pressure fitting tapped center engine backplate all-out racing fuel formula use 10% castor oil 10% Klotz synthetic lubricant 10% propylene oxide 70% nitromethane propeller used fiberglass 43/s x 41/g prop made Mike Hazel Other fliers such Al Stegens Warren Kurth have good results gray Cox prop found hobby shop 1997 Kurth went fast Ive ever gone did Cox prop proving will work go Cox prop get gray 5 /2 x 4 prop cut diameter down 43/s inches carefully balance before run Finish/Final Assembly Prime sand parts smooth before final assembly applied K&B Super Poxy primer paint Use no paint absolutely necessary finish job keep weight down Medium CyA used final assembly Make fuel tank 008 tinplate brass shim stock solder together tank simply held place rubber bands attached couple 035 wire hooks looped through fuselage Continued page 6] April 1999 55 Simple exposed controls required Profile Proto says Pressure line goes top tank fuel feed line comes author No binding sloppiness allowed bottom Keep nose up after filling prevent flooding Author hardware Little Tigers 1998 Nats win occurred after photo taken Little TigerIHull Continued page 55 Flying Always keep safety mind preparing fly Give airplane thorough preflight check ensure fuel lines glue joints screws nuts bolts etc secure want kink-free flying lines properly attached free-and-easy working controls no binds fill fuel tank disconnect pressure line tank vent fill through fuel line after disconnecting needle valve assembly After filling tank like keep nose airplane pointed up until its time start engine prevents fuel leaking engine flooding Stay clear prop hard see engine running prefer fly model clockwise around circle engine torque will help keep lines tight takeoff flying counterclockwise prepared step backward necessary maintain line tension good control launch Little Tiger will accelerate quickly launch will fast stable exciting airplane fly zings around circle thrilling manner high-performance Proto Speed model can give So have fun enjoy Editors note After text submitted Dave Hull won 1998 Nats model comments Nats win follow new best official speed 10998 mph standing-start Proto flight Earlier Al Stegens clocked airplane 120 mph flat top end 11468 mph standing-start Proto time would have record failed get pylon time rules require get pylon 1 laps airplane surprised accelerating fast launch took two laps catch up before could get pylon flight disallowed head clearance set 008 winning flight unofficial 114 mph flight dropped oil content fuel 20% 14% two fast flights Afterward noticed engine lost some compression inadequate lubrication wouldnt recommend anyone else try unless want wear out engine three four runs future intend stick least 18% total oil four percent being castor oil balance Klotz synthetic oil 4Note K&B Manufacturing Kustom Kraftsmanship MA advertisers Glenn Lee 819 Mandrake Batavia IL 60510 Doug Galbreath 3408 Topsail P1 Davis CA 95616 Ned Morris 9044 Rushmore Blvd S Indianapolis IN 46234 Mike Hazel 1073 Windemere Dr NW Salem OR 97304 Dave Hull 3885 Baldwin Dr Santa Clara CA 95051 April 1999 61 coal control system says Dave Hull stays real cool out open breeze moving through air 105 mph Canopy Plexiglas Elevator control horn made 015 tin Marks stabilizer Nats processing Sources -4 Type CL Profile Proto Speed Wingspan 15/2 inches Engine CS 049 Flying weight 6-7 ounces Construction Balsa plywood Finish Epoxy CARVE FROM PLEXIGLASS 102 SIDEFRONT CANOPY DETAIL 1/32 A/C PLYWOOD WING TIP LINE GUIDE TOP VIEW I/B MED HARD BALSA SHEET HORN ELEVATOR CONTROL 1/32 A/C PLYWOOD RUDDER PATTERN 035 MUSIC WIRE PIISNROD CANOPY LOCATION LEAD OUT LINES WINS TIP LINE GUIDE i/\ BELLCRANK RUDDE CANOPY STABILIZER WING 7 TIP WEIGHT I/IS MW LANDING GEAR 7 /404 50 STABSPRUCE WINGI 01k MAIN SPARWHEELS WING PLAN I/4o4o 16 STIFF FIRM HARD BALSA WNG TIP WE GHT 1/32 PLY U- USE VERY HARD BALSA _______LANDING0 GEAR SIDE LINE GUIDE BELLCRANK FUEL TANKLANDING GEAR PROFILE FUSELAGEWHEELS FRONTVIEW NOT SHOWN FULL SIZE 065 BRASS TUBING TOP VIEW PICK UP B FILL FTT~IIIPRESSURE LINE LAYLOciZ7LJ AND VENT FRONTSIDE VIEW I PATTERN VIEWN FUEL TANK ASSEMBLY MAKE FROM 008 BRASS SHEET I/B A/C PLYWOOD 2 FUSELAGE NOSE DOUBLER UPPER SIDE SIDE LIii~I0 TOP MAPLE MOTOR MOUNT I/A MAPLE STOCK go BENDBEND 1/1601k MUSIC WIRE LANDING GEAR /B AWMINUM TOP VIEWANGLE STOCK BLACK WIDOW MOTOR MOUNT I/B HARD 0 00 0 0 0 0 0 ALUM INUM T D MOTOR MOUNT I/B MED HARD BALSA SHEET HINGES---iiELEVATOR CONTROL HQtt 015 TIN SHEET NOTE LITTLE TIGER IS 1/DA PROFILE PROTO SPEED MODEL NER 0I23456 MODEL AVIATION LITTLE TIGER DESIGNED BY DAVE HULL DRAWN BY DAVE HULL INKED PLAN BY JOE DEMARO ALL RIGHTS SHEET RESERVES OF 873 0 CD 5
Edition: Model Aviation - 1999/04
Page Numbers: 54, 55, 61, 62
Edition: Model Aviation - 1999/04
Page Numbers: 54, 55, 61, 62
THIS IS SIMPLE multipurpose low-cost Profile Proto Speed model easy construct offers plenty fun kids adults Profile Proto excellent entry level event anyone interested Control Line Speed flying Its exciting pastime thats bound get adrenaline flowing Little Tiger has good record AMA Nationals placing first Junior 1995 second 1996 Open class placed third 1995-6-7 first 1998 slight modifications model has served couple different purposes began trainer stepson Jeff Macapinlac early 1995 Since has primarily contest model CONSTRUCTION very important make Proto Speed models light possible good acceleration takeoff model weighs approximately seven ounces Empennage Cut stabilizer portion tail surfaces firm /8 balsa sheet Sand symmetrical airfoil rounded leading edges sharp trailing edges Connect elevator stabilizer Perfect brand cloth hinges cyanoacrylate CyA glue applied nonmoving part hinges rudder wingtip control line guide can cut A2 birch plywood Fuselage Use hardest piece x 2 x 12 balsa can find nose section beam-mount fuselage should have x /16 maple engine mounts sandwiched between two 1/8 birch plywood doublers bonded epoxy canopy carved shaped sheet Plexiglas landing gear formed A6 steel wire securely attached fuselage safety wire epoxy One-inch diameter streamline wheels K&B Glenn Lee held place landing gear small washers soldered place Wing wing made stiff firm medium-hard piece x 16 balsa carved sanded 54 Model Aviation etrical airfoil NACA 63-009 slot cut center wing re spruce spar four inches long used belicrank anchor bellcranks can obtained Ned Morris Kustom Kraftsmanship pushrod made 035 music wire made control horn elevator 015 tin Engine airplane fitted Cox Black Widow 049 engine its training flights Cox Tee Dee used first Proto Speed flights got Nationals CS 049 engine installed used winning Proto flights fuselage plan shows mounting holes CS other engines may use adapter plates mounting plates secured fuselage 3-48 screws blind nuts using CS holes Tee Dee Black Widow engines lighter CS must mounted farther forward proper center gravity placement within 1/ inch wingtip leading edge CS engine basically stock couple modifications exhaust port raised open timing 1570 stock timing 1420 easiest way to simply shim up cylinder liner 025 inch gasket under top flange cylinder liner seats crankcase other modification engine install hemi head made Jerry Rocha accepts Nelson glow plugs head similar design ones made Doug Galbreath Walt Gifford specified November/December 1996 issue Speed Times publication North American Speed Society experience stock CS head works well needs set up higher hemi may have play cylinder head gaskets raise lower head depending weather conditions order get optimum performance use crankcase pressure fuel system 010 pressure fitting tapped center engine backplate all-out racing fuel formula use 10% castor oil 10% Klotz synthetic lubricant 10% propylene oxide 70% nitromethane propeller used fiberglass 43/s x 41/g prop made Mike Hazel Other fliers such Al Stegens Warren Kurth have good results gray Cox prop found hobby shop 1997 Kurth went fast Ive ever gone did Cox prop proving will work go Cox prop get gray 5 /2 x 4 prop cut diameter down 43/s inches carefully balance before run Finish/Final Assembly Prime sand parts smooth before final assembly applied K&B Super Poxy primer paint Use no paint absolutely necessary finish job keep weight down Medium CyA used final assembly Make fuel tank 008 tinplate brass shim stock solder together tank simply held place rubber bands attached couple 035 wire hooks looped through fuselage Continued page 6] April 1999 55 Simple exposed controls required Profile Proto says Pressure line goes top tank fuel feed line comes author No binding sloppiness allowed bottom Keep nose up after filling prevent flooding Author hardware Little Tigers 1998 Nats win occurred after photo taken Little TigerIHull Continued page 55 Flying Always keep safety mind preparing fly Give airplane thorough preflight check ensure fuel lines glue joints screws nuts bolts etc secure want kink-free flying lines properly attached free-and-easy working controls no binds fill fuel tank disconnect pressure line tank vent fill through fuel line after disconnecting needle valve assembly After filling tank like keep nose airplane pointed up until its time start engine prevents fuel leaking engine flooding Stay clear prop hard see engine running prefer fly model clockwise around circle engine torque will help keep lines tight takeoff flying counterclockwise prepared step backward necessary maintain line tension good control launch Little Tiger will accelerate quickly launch will fast stable exciting airplane fly zings around circle thrilling manner high-performance Proto Speed model can give So have fun enjoy Editors note After text submitted Dave Hull won 1998 Nats model comments Nats win follow new best official speed 10998 mph standing-start Proto flight Earlier Al Stegens clocked airplane 120 mph flat top end 11468 mph standing-start Proto time would have record failed get pylon time rules require get pylon 1 laps airplane surprised accelerating fast launch took two laps catch up before could get pylon flight disallowed head clearance set 008 winning flight unofficial 114 mph flight dropped oil content fuel 20% 14% two fast flights Afterward noticed engine lost some compression inadequate lubrication wouldnt recommend anyone else try unless want wear out engine three four runs future intend stick least 18% total oil four percent being castor oil balance Klotz synthetic oil 4Note K&B Manufacturing Kustom Kraftsmanship MA advertisers Glenn Lee 819 Mandrake Batavia IL 60510 Doug Galbreath 3408 Topsail P1 Davis CA 95616 Ned Morris 9044 Rushmore Blvd S Indianapolis IN 46234 Mike Hazel 1073 Windemere Dr NW Salem OR 97304 Dave Hull 3885 Baldwin Dr Santa Clara CA 95051 April 1999 61 coal control system says Dave Hull stays real cool out open breeze moving through air 105 mph Canopy Plexiglas Elevator control horn made 015 tin Marks stabilizer Nats processing Sources -4 Type CL Profile Proto Speed Wingspan 15/2 inches Engine CS 049 Flying weight 6-7 ounces Construction Balsa plywood Finish Epoxy CARVE FROM PLEXIGLASS 102 SIDEFRONT CANOPY DETAIL 1/32 A/C PLYWOOD WING TIP LINE GUIDE TOP VIEW I/B MED HARD BALSA SHEET HORN ELEVATOR CONTROL 1/32 A/C PLYWOOD RUDDER PATTERN 035 MUSIC WIRE PIISNROD CANOPY LOCATION LEAD OUT LINES WINS TIP LINE GUIDE i/\ BELLCRANK RUDDE CANOPY STABILIZER WING 7 TIP WEIGHT I/IS MW LANDING GEAR 7 /404 50 STABSPRUCE WINGI 01k MAIN SPARWHEELS WING PLAN I/4o4o 16 STIFF FIRM HARD BALSA WNG TIP WE GHT 1/32 PLY U- USE VERY HARD BALSA _______LANDING0 GEAR SIDE LINE GUIDE BELLCRANK FUEL TANKLANDING GEAR PROFILE FUSELAGEWHEELS FRONTVIEW NOT SHOWN FULL SIZE 065 BRASS TUBING TOP VIEW PICK UP B FILL FTT~IIIPRESSURE LINE LAYLOciZ7LJ AND VENT FRONTSIDE VIEW I PATTERN VIEWN FUEL TANK ASSEMBLY MAKE FROM 008 BRASS SHEET I/B A/C PLYWOOD 2 FUSELAGE NOSE DOUBLER UPPER SIDE SIDE LIii~I0 TOP MAPLE MOTOR MOUNT I/A MAPLE STOCK go BENDBEND 1/1601k MUSIC WIRE LANDING GEAR /B AWMINUM TOP VIEWANGLE STOCK BLACK WIDOW MOTOR MOUNT I/B HARD 0 00 0 0 0 0 0 ALUM INUM T D MOTOR MOUNT I/B MED HARD BALSA SHEET HINGES---iiELEVATOR CONTROL HQtt 015 TIN SHEET NOTE LITTLE TIGER IS 1/DA PROFILE PROTO SPEED MODEL NER 0I23456 MODEL AVIATION LITTLE TIGER DESIGNED BY DAVE HULL DRAWN BY DAVE HULL INKED PLAN BY JOE DEMARO ALL RIGHTS SHEET RESERVES OF 873 0 CD 5
Edition: Model Aviation - 1999/04
Page Numbers: 54, 55, 61, 62
THIS IS SIMPLE multipurpose low-cost Profile Proto Speed model easy construct offers plenty fun kids adults Profile Proto excellent entry level event anyone interested Control Line Speed flying Its exciting pastime thats bound get adrenaline flowing Little Tiger has good record AMA Nationals placing first Junior 1995 second 1996 Open class placed third 1995-6-7 first 1998 slight modifications model has served couple different purposes began trainer stepson Jeff Macapinlac early 1995 Since has primarily contest model CONSTRUCTION very important make Proto Speed models light possible good acceleration takeoff model weighs approximately seven ounces Empennage Cut stabilizer portion tail surfaces firm /8 balsa sheet Sand symmetrical airfoil rounded leading edges sharp trailing edges Connect elevator stabilizer Perfect brand cloth hinges cyanoacrylate CyA glue applied nonmoving part hinges rudder wingtip control line guide can cut A2 birch plywood Fuselage Use hardest piece x 2 x 12 balsa can find nose section beam-mount fuselage should have x /16 maple engine mounts sandwiched between two 1/8 birch plywood doublers bonded epoxy canopy carved shaped sheet Plexiglas landing gear formed A6 steel wire securely attached fuselage safety wire epoxy One-inch diameter streamline wheels K&B Glenn Lee held place landing gear small washers soldered place Wing wing made stiff firm medium-hard piece x 16 balsa carved sanded 54 Model Aviation etrical airfoil NACA 63-009 slot cut center wing re spruce spar four inches long used belicrank anchor bellcranks can obtained Ned Morris Kustom Kraftsmanship pushrod made 035 music wire made control horn elevator 015 tin Engine airplane fitted Cox Black Widow 049 engine its training flights Cox Tee Dee used first Proto Speed flights got Nationals CS 049 engine installed used winning Proto flights fuselage plan shows mounting holes CS other engines may use adapter plates mounting plates secured fuselage 3-48 screws blind nuts using CS holes Tee Dee Black Widow engines lighter CS must mounted farther forward proper center gravity placement within 1/ inch wingtip leading edge CS engine basically stock couple modifications exhaust port raised open timing 1570 stock timing 1420 easiest way to simply shim up cylinder liner 025 inch gasket under top flange cylinder liner seats crankcase other modification engine install hemi head made Jerry Rocha accepts Nelson glow plugs head similar design ones made Doug Galbreath Walt Gifford specified November/December 1996 issue Speed Times publication North American Speed Society experience stock CS head works well needs set up higher hemi may have play cylinder head gaskets raise lower head depending weather conditions order get optimum performance use crankcase pressure fuel system 010 pressure fitting tapped center engine backplate all-out racing fuel formula use 10% castor oil 10% Klotz synthetic lubricant 10% propylene oxide 70% nitromethane propeller used fiberglass 43/s x 41/g prop made Mike Hazel Other fliers such Al Stegens Warren Kurth have good results gray Cox prop found hobby shop 1997 Kurth went fast Ive ever gone did Cox prop proving will work go Cox prop get gray 5 /2 x 4 prop cut diameter down 43/s inches carefully balance before run Finish/Final Assembly Prime sand parts smooth before final assembly applied K&B Super Poxy primer paint Use no paint absolutely necessary finish job keep weight down Medium CyA used final assembly Make fuel tank 008 tinplate brass shim stock solder together tank simply held place rubber bands attached couple 035 wire hooks looped through fuselage Continued page 6] April 1999 55 Simple exposed controls required Profile Proto says Pressure line goes top tank fuel feed line comes author No binding sloppiness allowed bottom Keep nose up after filling prevent flooding Author hardware Little Tigers 1998 Nats win occurred after photo taken Little TigerIHull Continued page 55 Flying Always keep safety mind preparing fly Give airplane thorough preflight check ensure fuel lines glue joints screws nuts bolts etc secure want kink-free flying lines properly attached free-and-easy working controls no binds fill fuel tank disconnect pressure line tank vent fill through fuel line after disconnecting needle valve assembly After filling tank like keep nose airplane pointed up until its time start engine prevents fuel leaking engine flooding Stay clear prop hard see engine running prefer fly model clockwise around circle engine torque will help keep lines tight takeoff flying counterclockwise prepared step backward necessary maintain line tension good control launch Little Tiger will accelerate quickly launch will fast stable exciting airplane fly zings around circle thrilling manner high-performance Proto Speed model can give So have fun enjoy Editors note After text submitted Dave Hull won 1998 Nats model comments Nats win follow new best official speed 10998 mph standing-start Proto flight Earlier Al Stegens clocked airplane 120 mph flat top end 11468 mph standing-start Proto time would have record failed get pylon time rules require get pylon 1 laps airplane surprised accelerating fast launch took two laps catch up before could get pylon flight disallowed head clearance set 008 winning flight unofficial 114 mph flight dropped oil content fuel 20% 14% two fast flights Afterward noticed engine lost some compression inadequate lubrication wouldnt recommend anyone else try unless want wear out engine three four runs future intend stick least 18% total oil four percent being castor oil balance Klotz synthetic oil 4Note K&B Manufacturing Kustom Kraftsmanship MA advertisers Glenn Lee 819 Mandrake Batavia IL 60510 Doug Galbreath 3408 Topsail P1 Davis CA 95616 Ned Morris 9044 Rushmore Blvd S Indianapolis IN 46234 Mike Hazel 1073 Windemere Dr NW Salem OR 97304 Dave Hull 3885 Baldwin Dr Santa Clara CA 95051 April 1999 61 coal control system says Dave Hull stays real cool out open breeze moving through air 105 mph Canopy Plexiglas Elevator control horn made 015 tin Marks stabilizer Nats processing Sources -4 Type CL Profile Proto Speed Wingspan 15/2 inches Engine CS 049 Flying weight 6-7 ounces Construction Balsa plywood Finish Epoxy CARVE FROM PLEXIGLASS 102 SIDEFRONT CANOPY DETAIL 1/32 A/C PLYWOOD WING TIP LINE GUIDE TOP VIEW I/B MED HARD BALSA SHEET HORN ELEVATOR CONTROL 1/32 A/C PLYWOOD RUDDER PATTERN 035 MUSIC WIRE PIISNROD CANOPY LOCATION LEAD OUT LINES WINS TIP LINE GUIDE i/\ BELLCRANK RUDDE CANOPY STABILIZER WING 7 TIP WEIGHT I/IS MW LANDING GEAR 7 /404 50 STABSPRUCE WINGI 01k MAIN SPARWHEELS WING PLAN I/4o4o 16 STIFF FIRM HARD BALSA WNG TIP WE GHT 1/32 PLY U- USE VERY HARD BALSA _______LANDING0 GEAR SIDE LINE GUIDE BELLCRANK FUEL TANKLANDING GEAR PROFILE FUSELAGEWHEELS FRONTVIEW NOT SHOWN FULL SIZE 065 BRASS TUBING TOP VIEW PICK UP B FILL FTT~IIIPRESSURE LINE LAYLOciZ7LJ AND VENT FRONTSIDE VIEW I PATTERN VIEWN FUEL TANK ASSEMBLY MAKE FROM 008 BRASS SHEET I/B A/C PLYWOOD 2 FUSELAGE NOSE DOUBLER UPPER SIDE SIDE LIii~I0 TOP MAPLE MOTOR MOUNT I/A MAPLE STOCK go BENDBEND 1/1601k MUSIC WIRE LANDING GEAR /B AWMINUM TOP VIEWANGLE STOCK BLACK WIDOW MOTOR MOUNT I/B HARD 0 00 0 0 0 0 0 ALUM INUM T D MOTOR MOUNT I/B MED HARD BALSA SHEET HINGES---iiELEVATOR CONTROL HQtt 015 TIN SHEET NOTE LITTLE TIGER IS 1/DA PROFILE PROTO SPEED MODEL NER 0I23456 MODEL AVIATION LITTLE TIGER DESIGNED BY DAVE HULL DRAWN BY DAVE HULL INKED PLAN BY JOE DEMARO ALL RIGHTS SHEET RESERVES OF 873 0 CD 5
Edition: Model Aviation - 1999/04
Page Numbers: 54, 55, 61, 62
THIS IS SIMPLE multipurpose low-cost Profile Proto Speed model easy construct offers plenty fun kids adults Profile Proto excellent entry level event anyone interested Control Line Speed flying Its exciting pastime thats bound get adrenaline flowing Little Tiger has good record AMA Nationals placing first Junior 1995 second 1996 Open class placed third 1995-6-7 first 1998 slight modifications model has served couple different purposes began trainer stepson Jeff Macapinlac early 1995 Since has primarily contest model CONSTRUCTION very important make Proto Speed models light possible good acceleration takeoff model weighs approximately seven ounces Empennage Cut stabilizer portion tail surfaces firm /8 balsa sheet Sand symmetrical airfoil rounded leading edges sharp trailing edges Connect elevator stabilizer Perfect brand cloth hinges cyanoacrylate CyA glue applied nonmoving part hinges rudder wingtip control line guide can cut A2 birch plywood Fuselage Use hardest piece x 2 x 12 balsa can find nose section beam-mount fuselage should have x /16 maple engine mounts sandwiched between two 1/8 birch plywood doublers bonded epoxy canopy carved shaped sheet Plexiglas landing gear formed A6 steel wire securely attached fuselage safety wire epoxy One-inch diameter streamline wheels K&B Glenn Lee held place landing gear small washers soldered place Wing wing made stiff firm medium-hard piece x 16 balsa carved sanded 54 Model Aviation etrical airfoil NACA 63-009 slot cut center wing re spruce spar four inches long used belicrank anchor bellcranks can obtained Ned Morris Kustom Kraftsmanship pushrod made 035 music wire made control horn elevator 015 tin Engine airplane fitted Cox Black Widow 049 engine its training flights Cox Tee Dee used first Proto Speed flights got Nationals CS 049 engine installed used winning Proto flights fuselage plan shows mounting holes CS other engines may use adapter plates mounting plates secured fuselage 3-48 screws blind nuts using CS holes Tee Dee Black Widow engines lighter CS must mounted farther forward proper center gravity placement within 1/ inch wingtip leading edge CS engine basically stock couple modifications exhaust port raised open timing 1570 stock timing 1420 easiest way to simply shim up cylinder liner 025 inch gasket under top flange cylinder liner seats crankcase other modification engine install hemi head made Jerry Rocha accepts Nelson glow plugs head similar design ones made Doug Galbreath Walt Gifford specified November/December 1996 issue Speed Times publication North American Speed Society experience stock CS head works well needs set up higher hemi may have play cylinder head gaskets raise lower head depending weather conditions order get optimum performance use crankcase pressure fuel system 010 pressure fitting tapped center engine backplate all-out racing fuel formula use 10% castor oil 10% Klotz synthetic lubricant 10% propylene oxide 70% nitromethane propeller used fiberglass 43/s x 41/g prop made Mike Hazel Other fliers such Al Stegens Warren Kurth have good results gray Cox prop found hobby shop 1997 Kurth went fast Ive ever gone did Cox prop proving will work go Cox prop get gray 5 /2 x 4 prop cut diameter down 43/s inches carefully balance before run Finish/Final Assembly Prime sand parts smooth before final assembly applied K&B Super Poxy primer paint Use no paint absolutely necessary finish job keep weight down Medium CyA used final assembly Make fuel tank 008 tinplate brass shim stock solder together tank simply held place rubber bands attached couple 035 wire hooks looped through fuselage Continued page 6] April 1999 55 Simple exposed controls required Profile Proto says Pressure line goes top tank fuel feed line comes author No binding sloppiness allowed bottom Keep nose up after filling prevent flooding Author hardware Little Tigers 1998 Nats win occurred after photo taken Little TigerIHull Continued page 55 Flying Always keep safety mind preparing fly Give airplane thorough preflight check ensure fuel lines glue joints screws nuts bolts etc secure want kink-free flying lines properly attached free-and-easy working controls no binds fill fuel tank disconnect pressure line tank vent fill through fuel line after disconnecting needle valve assembly After filling tank like keep nose airplane pointed up until its time start engine prevents fuel leaking engine flooding Stay clear prop hard see engine running prefer fly model clockwise around circle engine torque will help keep lines tight takeoff flying counterclockwise prepared step backward necessary maintain line tension good control launch Little Tiger will accelerate quickly launch will fast stable exciting airplane fly zings around circle thrilling manner high-performance Proto Speed model can give So have fun enjoy Editors note After text submitted Dave Hull won 1998 Nats model comments Nats win follow new best official speed 10998 mph standing-start Proto flight Earlier Al Stegens clocked airplane 120 mph flat top end 11468 mph standing-start Proto time would have record failed get pylon time rules require get pylon 1 laps airplane surprised accelerating fast launch took two laps catch up before could get pylon flight disallowed head clearance set 008 winning flight unofficial 114 mph flight dropped oil content fuel 20% 14% two fast flights Afterward noticed engine lost some compression inadequate lubrication wouldnt recommend anyone else try unless want wear out engine three four runs future intend stick least 18% total oil four percent being castor oil balance Klotz synthetic oil 4Note K&B Manufacturing Kustom Kraftsmanship MA advertisers Glenn Lee 819 Mandrake Batavia IL 60510 Doug Galbreath 3408 Topsail P1 Davis CA 95616 Ned Morris 9044 Rushmore Blvd S Indianapolis IN 46234 Mike Hazel 1073 Windemere Dr NW Salem OR 97304 Dave Hull 3885 Baldwin Dr Santa Clara CA 95051 April 1999 61 coal control system says Dave Hull stays real cool out open breeze moving through air 105 mph Canopy Plexiglas Elevator control horn made 015 tin Marks stabilizer Nats processing Sources -4 Type CL Profile Proto Speed Wingspan 15/2 inches Engine CS 049 Flying weight 6-7 ounces Construction Balsa plywood Finish Epoxy CARVE FROM PLEXIGLASS 102 SIDEFRONT CANOPY DETAIL 1/32 A/C PLYWOOD WING TIP LINE GUIDE TOP VIEW I/B MED HARD BALSA SHEET HORN ELEVATOR CONTROL 1/32 A/C PLYWOOD RUDDER PATTERN 035 MUSIC WIRE PIISNROD CANOPY LOCATION LEAD OUT LINES WINS TIP LINE GUIDE i/\ BELLCRANK RUDDE CANOPY STABILIZER WING 7 TIP WEIGHT I/IS MW LANDING GEAR 7 /404 50 STABSPRUCE WINGI 01k MAIN SPARWHEELS WING PLAN I/4o4o 16 STIFF FIRM HARD BALSA WNG TIP WE GHT 1/32 PLY U- USE VERY HARD BALSA _______LANDING0 GEAR SIDE LINE GUIDE BELLCRANK FUEL TANKLANDING GEAR PROFILE FUSELAGEWHEELS FRONTVIEW NOT SHOWN FULL SIZE 065 BRASS TUBING TOP VIEW PICK UP B FILL FTT~IIIPRESSURE LINE LAYLOciZ7LJ AND VENT FRONTSIDE VIEW I PATTERN VIEWN FUEL TANK ASSEMBLY MAKE FROM 008 BRASS SHEET I/B A/C PLYWOOD 2 FUSELAGE NOSE DOUBLER UPPER SIDE SIDE LIii~I0 TOP MAPLE MOTOR MOUNT I/A MAPLE STOCK go BENDBEND 1/1601k MUSIC WIRE LANDING GEAR /B AWMINUM TOP VIEWANGLE STOCK BLACK WIDOW MOTOR MOUNT I/B HARD 0 00 0 0 0 0 0 ALUM INUM T D MOTOR MOUNT I/B MED HARD BALSA SHEET HINGES---iiELEVATOR CONTROL HQtt 015 TIN SHEET NOTE LITTLE TIGER IS 1/DA PROFILE PROTO SPEED MODEL NER 0I23456 MODEL AVIATION LITTLE TIGER DESIGNED BY DAVE HULL DRAWN BY DAVE HULL INKED PLAN BY JOE DEMARO ALL RIGHTS SHEET RESERVES OF 873 0 CD 5
